• OSCARBIDE Boring Bar Set ,Bar holders are made of high quality steel with coated, inserts with Tin-coated are made of carbide,for moistureproof, rust-proof,for long time use
  • Round shanks allow the operator to set positve or negative rake,chip breaker eliminates long stringer chips
  • Carbide Inserts can be indexed, when it is dull use another sided,It is not necessary to remove tool from chuck or tool post
  • Used for Turning internal hole, reaming, copying,etc.,used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
  • Replacement insert for this kit ,please search the Asin of this item: B07Q2HNGVF to buy it